Be kind whenever possible. It is always possible.
After a storm comes a calm.
Always desire to learn something useful.
I can, therefore I am.
You never know what motivates you.
To know oneself, one should assert oneself.
Either you run the day or the day runs you.
It's always too early to quit.
Well done is better than well said.
The secret of getting ahead is getting started.
Each department of knowledge passes through three stages. The theoretic stage the theological stage and the metaphysical or abstract stage.